<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <th:block th:include="include :: header('更换头像')"/>
</head>
<body class="pear-container">
<div class="layui-row layui-col-space15">
    <div class="layui-col-xs9">
        <div style="height:325px;background-color: rgb(247, 247, 247);">
            <img id="sourceImage" src="">
        </div>
    </div>
    <div class="layui-col-xs3" style="padding-left:0px;">
        <div id="previewImage" style="width:210px;height:210px;border: 1px solid rgb(200, 200, 200);border-radius: 50%;overflow:hidden;">
        </div>
    </div>
</div>
<div class="layui-row">
    <div class="layui-form-item">
        <div class="layui-input-inline layui-btn-container" style="width: auto;vertical-align:top;">
            <button class="pear-btn pear-btn-sm pear-btn-primary layui-icon layui-icon-left" cropper-event="rotate" data-option="-15" title="左旋15°"></button>
            <button class="pear-btn pear-btn-sm pear-btn-primary layui-icon layui-icon-right" cropper-event="rotate" data-option="15" title="右旋15°"></button>
            <button class="pear-btn pear-btn-sm pear-btn-danger layui-icon layui-icon-refresh" cropper-event="reset" title="重置"></button>
            <label for="uploadPicture" class="pear-btn pear-btn-sm pear-btn-primary layui-icon layui-icon-upload" title="选择图片"></label>
            <input class="layui-upload-file" id="uploadPicture" type="file" value="选择图片">
        </div>
        <div class="layui-form-mid layui-word-aux">建议:图片的尺寸宽高比为1:1,大小在5m以内。</div>
    </div>
</div>
</body>
<th:block th:include="include :: footer"/>
<script>
    layui.use(['jquery','layer','cropper','popup'], function () {
        let $ = layui.jquery;
        let popup = layui.popup;

        let options = {
            aspectRatio: 1 / 1, // 裁剪框比例
            preview: '#previewImage', // 预览div
            viewmode: 1
        };

        $("#sourceImage").attr("src", parent.layui.$("#avatar").attr("src"));
        $("#sourceImage").cropper(options);

        window.submitForm = function () {
            $("#sourceImage").crossOrigin = 'anonymous';//解决跨域图片问题
            $("#sourceImage").cropper("getCroppedCanvas", {
                width: 280,
                height: 140
            }).toBlob(function (blob) {
                let timeStamp = Date.parse(new Date());
                let fileName = timeStamp + '.jpg';
                let formData = new FormData();
                formData.append('file', blob, fileName);
                formData.append('fileName', fileName);
                formData.append('fileToken', timeStamp);
                $.ajax({
                     method: "post",
                     url: "/system/file/upload", //用于文件上传的服务器端请求地址
                     data: formData,
                     processData: false,
                     contentType: false,
                     success: function (result) {
                         if(result.success){
                                 // 修改 avatar 字段
                                 $.ajax({
                                     method:"put",
                                     url: "/system/user/updateAvatar",
                                     data: JSON.stringify({avatar:result.data}),
                                     dataType: "json",
                                     contentType: 'application/json',
                                     success:function(resu){
                                         if(resu.success){
                                             // 关闭当前弹层
                                             parent.$("#avatar").attr("src", "/system/file/download/"+result.data);
                                             top.$("#avatar").attr("src", "/system/file/download/"+result.data);
                                             parent.layer.close(parent.layer.getFrameIndex(window.name));
                                         }else{
                                             popup.failure("上传失败")
                                         }
                                     }
                                 })
                         }else{
                             popup.failure("上传失败")
                         }
                     }
                });
            });
        }

        $(".pear-btn").on('click', function () {
            let event = $(this).attr("cropper-event");
            if (event === 'rotate') {
                let option = $(this).attr('data-option');
                $("#sourceImage").cropper('rotate', option);
            } else if (event === 'reset') {
                $("#sourceImage").cropper('reset');
            }
            $("#uploadPicture").change(function () {
                let r = new FileReader();
                let f = this.files[0];
                let uploadFileSize = f.size / 1024;
                if (uploadFileSize > 5120) {
                    parent.layer.msg("上传文件不得超过5m", { icon: 5 });
                    return false;
                }
                r.readAsDataURL(f);
                r.onload = function (e) {
                    $("#sourceImage")
                        .cropper('destroy')
                        .attr('src', this.result)
                        .cropper(options);
                };
            });
        });
    });
</script>